8,367
edits
Changes
→How to set DT overlays
<ol style="list-style-type: decimal;">
<li><p>First open the '''/boot/extlinux/extlinux.conf''' configuration file</p>
{| class="wikitable" style="width:800px;" |-| <p>[orangepi@orangepi-pc ~]$ '''sudo vim /boot/extlinux/extlinux.conf'''</p>|}</li><li><p>Then open the corresponding configuration by adding '''FDTOVERLAYS /dtbs/rockchip/overlay/xxx.dtbo''' in '''/boot/extlinux/extlinux.conf'''</p></li>{| class="wikitable" style="background-color:#ffffdc;width:800px;" |-| </olbig> '''Note that xxx.dtbo in FDTOVERLAYS /dtbs/rockchip/overlay/xxx.dtbo needs to be replaced with the specific dtbo configuration, please do not copy it.'''</big>|}{| class="wikitable" style="width:800px;" |-|
[orangepi@orangepi-pc ~]$ '''sudo vim /boot/extlinux/extlinux.conf'''
FDT /dtbs/rockchip/rk3566-orangepi-3b.dtb
'''FDTOVERLAYS /dtbs/rockchip/overlay/<span style="color:#FF0000">xxx.dtbo</span>''' #Configuration that needs to be added|}</ol>
<ol start="3" style="list-style-type: decimal;">
<li><p>The storage path of xxx.dtbo in the OPi OS Arch image is as follows, please note that not all dtbos under this path can be used.</p>
{| class="wikitable" style="width:800px;" |-| <p>'''/boot/dtbs/rockchip/overlay/'''</p>|}</li><li><p>The DT overlays configuration that can be used by the development board is as follows</p></li></ol>
{| class="wikitable" style="width:800px;text-align: center;"
|-
| '''Features on the development board'''
| '''rk356x-spi3-m0-cs0-spidev.dtbo'''
|}
</ol>
<ol start="5" style="list-style-type: decimal;">
<li><p>If you need to open multiple configurations at the same time, just add the paths of multiple configurations directly behind '''FDTOVERLAYS'''. For example, the configurations to open i2c2 and pwm11 at the same time are as follows</p>
{| class="wikitable" style="width:800px;"
|-
|
<p>[orangepi@orangepi-pc ~]$ '''sudo vim /boot/extlinux/extlinux.conf'''</p>
<p>LABEL OPIOS ARM</p>
<p>LINUX /Image</p>
<p>FDT /dtbs/rockchip/rk3566-orangepi-3b.dtb</p>
<p>'''FDTOVERLAYS <span style="color:#FF0000">/dtbs/rockchip/overlay/rk356x-i2c2-m1.dtbo /dtbs/rockchip/overlay/rk356x-pwm11-m1.dtbo</span>'''</p>|}</li>
<li><p>After setting, you need to restart the system to make the configuration take effect</p>
{| class="wikitable" style="width:800px;" |-| <p>[orangepi@orangepi-pc ~]$ '''sudo reboot'''</p>|}</li></ol>
<span id="use-of-raspberry-pi-5-inch-screen-1"></span>
== Use of Raspberry Pi 5-inch screen ==